The utility model discloses a powdered carbon separator who contains grains of sand, powdered carbon separator who contains grains of sand includes: the shaking table, feedway, feedway be used for to the shaking table feed, a drive uni, drive arrangement with the shaking table links to each other with the drive the vertical reciprocating motion of shaking table, water supply installation, water supply installation with the shaking table link to each other with to the shaking table provides transverse impact water so that powdered carbon and grains of sand separation, be equipped with powdered carbon export and silt export on the shaking table, the powdered carbon export sets up the shaking table with on the relative side of water supply installation just the silt export sets up the shaking table with on the relative side of drive arrangement. According to the utility model discloses powdered carbon separator who contains grains of sand can obtain the powdered carbon to can reduce the manufacturing cost of industrial silicon.